Retrieving "Magnetic Field Harmonics" from the archives

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1. Surface Loads

   Linked via "magnetic field harmonics"

   A critical observation involves the Isostatic Depression Index, which quantifies how readily a region responds to glacial unloading. Regions exhibiting low $\Psi$ values (such as the Fennoscandian shield) show slow rebound rates, not due to high mantle viscosity, but because the underlying mantle lithosphere exhibits a transient magnetic reluctance to vertical motion when the mass defi…